Ontologia

Region · mrt

Dakhlet Nouadhibou

Mauritania

BWhArid, desert, hot(100 %)

Species observed

448

Observations

35 247

Area

17 469,9km²

Ecological tissue

Sample of 30 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.

ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Dakhlet Nouadhibou : 22 espèces reliées par 54 interactions GloBI sur 2 types (connectance 12.4%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
30
Interactions affichées
54
Connectance
0.124
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

448 distinct species · 35 247 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

35 247 obs · 252 cellules
Obs. / cellule
≥ 1 094
56–1 093
16–55
7–15
< 7

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

25,6°C

Annual rain

43mm

Warmest m°

37,9°C

Coldest m°

13,4°C

Elevation: 67 m on average (min -65 m, max 232 m)

Bioclimatic detailsExpert
Annual mean temp.
25,6°C
Annual rain
43mm
Warmest month
37,9°C
Coldest month
13,4°C
Mean alt.
67m
Min
-65m
Max
232m
Std. dev.
56m
Köppen-Geiger (dominant)
BWhArid, desert, hot(100 %)Arid

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

8,2

Org. C

6,1g/kg

Clay

15,3%

Sand

61,1%

Silt

23,6%

Average over 0-30 cm. Per-depth details in expert panel.

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,2
Org. C
6,8g/kg
Clay
15,2%
Sand
61,0%
Silt
23,8%
5–15 cm
pH H₂O
8,2
Org. C
5,5g/kg
Clay
15,6%
Sand
60,7%
Silt
23,7%
15–30 cm
pH H₂O
8,2
Org. C
6,0g/kg
Clay
15,2%
Sand
61,5%
Silt
23,3%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest0.0%
Crops0.0%
Built-up0.0%
Bare soil99.1%
Other (grassland, water…)0.8%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology47 basins · 2 lakes · 0 rivers

Hydrology metrics for this exact territory

Lake surface here

1,03km²

Basins crossed

47

Max drainage

27 695km²

Discharge in basins

54,0m³/s

Mean precip.

30mm/an

Mean T°

23,6°C

Moisture idx

-0,98

Mean runoff

3mm/an

Mean elev. (basins)

69m

Watersheds crossing here

38 more basins

Lakes (2, top by area)

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

3,4%

Pesticides

0,1kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)

Protected areas4

IUCN II · 2IUCN Not Applicable · 1IUCN Not Reported · 1🌊 Marine · 4📍 Point sites · 1

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN

Sub-administrations1